S
Asteroid ZooW
Asteroid Zoo
Backyard WorldsW
Backyard Worlds
A
ChaCha (search engine)W
ChaCha (search engine)
Citizen scienceW
Citizen science
B
Marie André DestaracW
Marie André Destarac
Distributed ProofreadersW
Distributed Proofreaders
C
Galaxy ZooW
Galaxy Zoo
Jelly (app)W
Jelly (app)
D
The Milky Way ProjectW
The Milky Way Project
Planet HuntersW
Planet Hunters
E
ReCAPTCHAW
ReCAPTCHA
Stardust@homeW
Stardust@home
F
Luis von AhnW
Luis von Ahn
ZooniverseW
Zooniverse